Add a customValidation method to PolicyModal

In order for derivations of PolicyModal to apply their own custom error
checking, a new customValidation method is introduced into
PolicyModal.js

Issue-ID: CLAMP-863
Change-Id: If2ed515357741cab6f5b675b4b99423f9f3defed
Signed-off-by: Ted Humphrey <Thomas.Humphrey@att.com>

3 files changed, 110 insertions, 19 deletions

diff --git a/ui-react-lib/libIndex.js b/ui-react-lib/libIndex.js
index f090b614..583cc712 100755
--- a/ui-react-lib/libIndex.js
+++ b/ui-react-lib/libIndex.js
@@ -36,6 +36,7 @@ export { default as MenuBar } from './src/components/menu/MenuBar';
 export { default as ModifyLoopModal } from './src/components/dialogs/Loop/ModifyLoopModal';
 export { default as NotFound } from './src/NotFound';
 export { default as OnapConstants } from './src/utils/OnapConstants';
+export { default as OnapUtils } from './src/utils/OnapUtils';
 export { default as OpenLoopModal } from './src/components/dialogs/Loop/OpenLoopModal';
 export { default as PerformActions } from './src/components/dialogs/PerformActions';
 export { default as PolicyModal } from './src/components/dialogs/Policy/PolicyModal';
diff --git a/ui-react/src/components/dialogs/Policy/PolicyModal.js b/ui-react/src/components/dialogs/Policy/PolicyModal.js
index d3b42739..6b1ebe17 100644
--- a/ui-react/src/components/dialogs/Policy/PolicyModal.js
+++ b/ui-react/src/components/dialogs/Policy/PolicyModal.js
@@ -34,11 +34,16 @@ import LoopCache from '../../../api/LoopCache';
 import JSONEditor from '@json-editor/json-editor';
 import Alert from 'react-bootstrap/Alert';
 import OnapConstant from '../../../utils/OnapConstants';
+import OnapUtils from '../../../utils/OnapUtils';
 
 const ModalStyled = styled(Modal)`
 	background-color: transparent;
 `
 
+const DivWhiteSpaceStyled = styled.div`
+	white-space: pre;
+`
+
 export default class PolicyModal extends React.Component {
 
 	state = {
@@ -70,42 +75,49 @@ export default class PolicyModal extends React.Component {
 		this.renderPdpGroupDropDown = this.renderPdpGroupDropDown.bind(this);
 		this.renderOpenLoopMessage = this.renderOpenLoopMessage.bind(this);
 		this.renderModalTitle = this.renderModalTitle.bind(this);
+		this.readOnly = props.readOnly !== undefined ? props.readOnly : false;
 	}
 
 	handleSave() {
-		var errors = this.state.jsonEditor.validate();
 		var editorData = this.state.jsonEditor.getValue();
+		var errors = this.state.jsonEditor.validate();
+		errors = errors.concat(this.customValidation(editorData, this.state.loopCache.getTemplateName()));
 
 		if (errors.length !== 0) {
 			console.error("Errors detected during policy data validation ", errors);
 			this.setState({
-            		showFailAlert: true,
-            		showMessage: "Errors detected during policy data validation " + errors
-            });
+				showFailAlert: true,
+				showMessage: 'Errors detected during policy data validation:\n' + OnapUtils.jsonEditorErrorFormatter(errors)
+			});
 			return;
 		}
 		else {
 			console.info("NO validation errors found in policy data");
 			if (this.state.policyInstanceType === OnapConstant.microServiceType) {
-                this.state.loopCache.updateMicroServiceProperties(this.state.policyName, editorData);
-                this.state.loopCache.updateMicroServicePdpGroup(this.state.policyName, this.state.chosenPdpGroup, this.state.chosenPdpSubgroup);
-                LoopService.setMicroServiceProperties(this.state.loopCache.getLoopName(), this.state.loopCache.getMicroServiceForName(this.state.policyName)).then(resp => {
-                    this.setState({ show: false });
-                    this.props.history.push('/');
-                    this.props.loadLoopFunction(this.state.loopCache.getLoopName());
-                });
+				this.state.loopCache.updateMicroServiceProperties(this.state.policyName, editorData);
+				this.state.loopCache.updateMicroServicePdpGroup(this.state.policyName, this.state.chosenPdpGroup, this.state.chosenPdpSubgroup);
+				LoopService.setMicroServiceProperties(this.state.loopCache.getLoopName(), this.state.loopCache.getMicroServiceForName(this.state.policyName)).then(resp => {
+					this.setState({ show: false });
+					this.props.history.push('/');
+					this.props.loadLoopFunction(this.state.loopCache.getLoopName());
+				});
 			} else if (this.state.policyInstanceType === OnapConstant.operationalPolicyType) {
 				this.state.loopCache.updateOperationalPolicyProperties(this.state.policyName, editorData);
 				this.state.loopCache.updateOperationalPolicyPdpGroup(this.state.policyName, this.state.chosenPdpGroup, this.state.chosenPdpSubgroup);
 				LoopService.setOperationalPolicyProperties(this.state.loopCache.getLoopName(), this.state.loopCache.getOperationalPolicies()).then(resp => {
 					this.setState({ show: false });
-				this.props.history.push('/');
+					this.props.history.push('/');
 					this.props.loadLoopFunction(this.state.loopCache.getLoopName());
 				});
 			}
 		}
 	}
 
+	customValidation(editorData, templateName) {
+		// method for sub-classes to override with customized validation
+		return [];
+	}
+
 	handleClose() {
 		this.setState({ show: false });
 		this.props.history.push('/');
@@ -115,6 +127,15 @@ export default class PolicyModal extends React.Component {
 		this.renderJsonEditor();
 	}
 
+	componentDidUpdate() {
+		if (this.state.showSucAlert === true || this.state.showFailAlert === true) {
+			let modalElement = document.getElementById("policyModal")
+			if (modalElement) {
+				modalElement.scrollTo(0, 0);
+			}
+		}
+	}
+
     createJsonEditor(toscaModel, editorData) {
         JSONEditor.defaults.themes.myBootstrap4 = JSONEditor.defaults.themes.bootstrap4.extend({
     			getTab: function(text,tabId) {
@@ -313,12 +334,16 @@ export default class PolicyModal extends React.Component {
 				<Modal.Header closeButton>
 					{this.renderModalTitle()}
 				</Modal.Header>
-				<Alert variant="success" show={this.state.showSucAlert} onClose={this.disableAlert} dismissible>
-					{this.state.showMessage}
-				</Alert>
-				<Alert variant="danger" show={this.state.showFailAlert} onClose={this.disableAlert} dismissible>
-					{this.state.showMessage}
-				</Alert>
+                                <Alert variant="success" show={this.state.showSucAlert} onClose={this.disableAlert} dismissible>
+                                        <DivWhiteSpaceStyled>
+                                                {this.state.showMessage}
+                                        </DivWhiteSpaceStyled>
+                                </Alert>
+                                <Alert variant="danger" show={this.state.showFailAlert} onClose={this.disableAlert} dismissible>
+                                        <DivWhiteSpaceStyled>
+                                                {this.state.showMessage}
+                                        </DivWhiteSpaceStyled>
+                                </Alert>
 				<Modal.Body>
 					{this.renderOpenLoopMessage()}
 					<div id="editor" />
@@ -330,4 +355,4 @@ export default class PolicyModal extends React.Component {
 			</ModalStyled>
 		);
 	}
-}
\ No newline at end of file
+}
diff --git a/ui-react/src/utils/OnapUtils.js b/ui-react/src/utils/OnapUtils.js
new file mode 100644
index 00000000..316a0d65
--- /dev/null
+++ b/ui-react/src/utils/OnapUtils.js
@@ -0,0 +1,65 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP CLAMP
+ * ================================================================================
+ * Copyright (C) 2020 AT&T Intellectual Property. All rights
+ *                             reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END============================================
+ * ===================================================================
+ *
+ */
+
+export default class OnapUtils {
+
+	constructor() {
+		this.clickBlocked = false;
+	}
+
+	static jsonEditorErrorFormatter(errors) {
+
+		let messages = [];
+		let messagesOutputString = null;
+
+		// errors is an array of JSON Editor "error" objects, where each
+		// object looks like this:
+
+		//	{
+		//		message: "Please populate the required property "Threshold""
+		//		path: "root.signatures.0"
+		//		property: "required"
+		//	}
+
+		// In this function we concatenate all the messages, removing any duplicates,
+		// and adding a newline between each message. The result returned is a single
+		// string that can be displayed to the user in an alert message
+
+		if (!Array.isArray(errors)) {
+			console.error('jsoneEditorErrorFormatter was passed a non-array argument');
+		} else {
+			for (let ii=0; ii < errors.length; ++ii) {
+				if (!messages.includes(errors[ii].message)) {
+					messages.push(errors[ii].message);
+					if (messagesOutputString) {
+						messagesOutputString += '\n' + errors[ii].message;
+					} else {
+						messagesOutputString = errors[ii].message;
+					}
+				}
+			}
+		}
+
+		return messagesOutputString;
+	}
+}